color: Remove blink pre-conversion code

third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 93 matching lines @@
                                       client->isTrackingRasterInvalidations()),
       m_paintingPhase(GraphicsLayerPaintAllWithOverflowClip),
       m_parent(0),
       m_maskLayer(0),
       m_contentsClippingMaskLayer(0),
       m_paintCount(0),
       m_contentsLayer(0),
       m_contentsLayerId(0),
       m_scrollableArea(nullptr),
       m_renderingContext3d(0),
-      m_colorBehavior(ColorBehavior::transformToGlobalTarget()),
       m_hasPreferredRasterBounds(false) {
 #if DCHECK_IS_ON()
   if (m_client)
     m_client->verifyNotPainting();
 #endif
-
-  // In true color mode, no inputs are adjusted, and all colors are converted
-  // at rasterization time.
-  if (RuntimeEnabledFeatures::trueColorRenderingEnabled())
-    m_colorBehavior = ColorBehavior::tag();
-
   m_contentLayerDelegate = WTF::makeUnique<ContentLayerDelegate>(this);
   m_layer = Platform::current()->compositorSupport()->createContentLayer(
       m_contentLayerDelegate.get());
   m_layer->layer()->setDrawsContent(m_drawsContent && m_contentsVisible);
   m_layer->layer()->setLayerClient(this);
 }
 
 GraphicsLayer::~GraphicsLayer() {
   for (size_t i = 0; i < m_linkHighlights.size(); ++i)
     m_linkHighlights[i]->clearCurrentGraphicsLayer();
@@ skipping 191 matching lines @@
         m_client->computeInterestRect(this, m_previousInterestRect);
     interestRect = &newInterestRect;
   }
 
   if (!getPaintController().subsequenceCachingIsDisabled() &&
       !m_client->needsRepaint(*this) && !getPaintController().cacheIsEmpty() &&
       m_previousInterestRect == *interestRect) {
     return false;
   }
 
-  GraphicsContext context(getPaintController(), disabledMode, nullptr,
-                          m_colorBehavior);
+  GraphicsContext context(getPaintController(), disabledMode, nullptr);
 
   m_previousInterestRect = *interestRect;
   m_client->paintContents(this, context, m_paintingPhase, *interestRect);
   return true;
 }
 
 void GraphicsLayer::updateChildList() {
   WebLayer* childHost = m_layer->layer();
   childHost->removeAllChildren();
 
@@ skipping 716 matching lines @@
   if (rect == m_contentsRect)
     return;
 
   m_contentsRect = rect;
   updateContentsRect();
 }
 
 void GraphicsLayer::setContentsToImage(
     Image* image,
     RespectImageOrientationEnum respectImageOrientation) {
-  sk_sp<SkImage> skImage =
-      image ? image->imageForCurrentFrame(m_colorBehavior) : nullptr;
+  sk_sp<SkImage> skImage = image ? image->imageForCurrentFrame(
+                                       ColorBehavior::transformToGlobalTarget())
+                                 : nullptr;
 
   if (image && skImage && image->isBitmapImage()) {
     if (respectImageOrientation == RespectImageOrientation) {
       ImageOrientation imageOrientation =
           toBitmapImage(image)->currentFrameOrientation();
       skImage =
           DragImage::resizeAndOrientImage(std::move(skImage), imageOrientation);
     }
   }
 
@@ skipping 114 matching lines @@
   if (WebLayer* layer = platformLayer())
     layer->setCompositorMutableProperties(properties);
 }
 
 sk_sp<PaintRecord> GraphicsLayer::captureRecord() {
   if (!drawsContent())
     return nullptr;
 
   IntSize intSize = expandedIntSize(size());
   GraphicsContext graphicsContext(getPaintController(),
-                                  GraphicsContext::NothingDisabled, nullptr,
-                                  m_colorBehavior);
+                                  GraphicsContext::NothingDisabled, nullptr);
   graphicsContext.beginRecording(IntRect(IntPoint(0, 0), intSize));
   getPaintController().paintArtifact().replay(graphicsContext);
   return graphicsContext.endRecording();
 }
 
 static bool pixelComponentsDiffer(int c1, int c2) {
   // Compare strictly for saturated values.
   if (c1 == 0 || c1 == 255 || c2 == 0 || c2 == 255)
     return c1 != c2;
   // Tolerate invisible differences that may occur in gradients etc.
@@ skipping 95 matching lines @@
 void showGraphicsLayerTree(const blink::GraphicsLayer* layer) {
   if (!layer) {
     LOG(INFO) << "Cannot showGraphicsLayerTree for (nil).";
     return;
   }
 
   String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo);
   LOG(INFO) << output.utf8().data();
 }
 #endif